Ann Romney: We've given enough — Ann Romney dismissed concerns about her husband's tax returns Thursday, contending that the two of them have “given all you people need to know.” — “You know, you should really look at where Mitt has led his life, and where he's been financially,” …

TPM2012 — Ann Romney On Tax Returns: 'We've Given All You People Need To Know' — Ann Romney reaffirmed her husband's insistence that no additional years of tax returns would be released to the public on Thursday morning, arguing that they have already “given all you people need to know.”

Bulgarian press names bomber: Mehdi Ghezali — Terrorist said to have been a Swedish citizen with a history of Muslim extremist activities — Mehdi Ghezali (screen capture, Channel 10) — Bulgarian media on Thursday named the suicide bomber who blew up a bus full of Israeli tourists …

Global Warming's Terrifying New Math — Three simple numbers that add up to global catastrophe - and that make clear who the real enemy is — If the pictures of those towering wildfires in Colorado haven't convinced you, or the size of your AC bill this summer, here are some hard numbers …

Glenn Greenwald to move to The Guardian — Glenn Greenwald, the political columnist who joined Salon.com in 2007, is moving to The Guardian. — Greenwald, a former constitutional and civil rights lawyer based in Rio de Janeiro, will move his blog en masse to the Guardian's website on August 20 …

“You Didn't Build That” … - Yglesias: If Pot Were Truly Legal, It Would Be Really Cheap—Like a Few Cents a Joint - U.S. Student Debt Is Growing at a Scary, Insane Rate — Why Do So Many Syrians Wear Mustaches? - How a Linebacker on a Delta Flight Shot the Best Photo Yet …

Drought Conditions Send Commodity Prices Skyrocketing — It's time to really focus on this major US drought, which has sent commodity prices for corn and soybeans soaring, leading to a likely jump in global food prices. You know it's bad when the Financial Times gets on the case.

Poll: Romney tied with Obama in Virginia — A new survey shows Mitt Romney tied with President Barack Obama in the battleground state of Virginia, exciting news for a Republican challenger who has consistently trailed in recent polling of the state. — The survey, released Thursday …

Atheists: Obama Administration Out Of Line To Pray For Rain — The Council for Secular Humanism attacks Obama official for saying he is praying for rain to end nation's draught. — VINCENNES, IN - JULY 18: Corn plants struggle to survive in a drought-stricken farm field on July 18, 2012 near Vincennes, Indiana.

What voters are really choosing in November — The presidential campaign has gotten so heated over the attacks and counterattacks from the Obama and Romney campaigns that it's easy to forget that larger issues are at stake in November. That's unfortunate because, beneath the froth …

Obama unleashes Medicare attack on Romney — *** Here comes Medicare: The past few weeks on the presidential campaign trail have featured aggressive attacks and counterattacks. On outsourcing by Bain Capital. On Mitt Romney's post-1999 association with that firm, as well has his tax returns.